EC200T- VDD_EXT voltage issue

Dear Quectel,

We are using EC200T Module in Our design, It is not communicating with UART , STATUS pin is LOW, VDD_EXT is 1.79V. Attached image is interface with MCU as well as Hardware design of EC200T

Please Help

image

Regards
Khodidas Domadiya
Sr. Embedded Firmware Engineer
Optimized Solutions Ltd
Ahmedabad, India

Resolved Found issue with Transistor Circuit

Hi
Thank you very much for your feedback.
Best wishes

Dear @FelixCheng-Q and @pes,
I am having a similar issue raised follow link EC200T- VDD_EXT voltage issue - #3 by FelixCheng-Q
related to Transistor Circuit
It is not communicating with UART , STATUS pin is LOW, VDD_EXT is 1.8V
Can you give me your solution?
Shematic



I will be very grateful to you
Thanks @ BR